Re: pgsql: Have numeric 0 ^ 4.3 return 1, rather than an error, and have 0 ^

by tgl@[EMAIL PROTECTED] (Tom Lane) May 8, 2008 at 06:23 PM

momjian@[EMAIL PROTECTED]
 (Bruce Momjian) writes:
> Have numeric 0 ^ 4.3 return 1, rather than an error, and have 0 ^ 0.0
> return 1, rather than error.

This is wrongly described, and the implementation is still not correct
either, because it should throw an error for negative exponents.
Would you please *read* that wikipedia page you keep citing?
http://en.wikipedia.org/wiki/Exponentiation#Powers_of_zero

			regards, tom lane

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11 Posts in Topic:

pgsql: Have numeric 0 ^ 4.3 return 1, rather than an error, and

momjian@[EMAIL PROTECTED]

2008-05-08 19:25:38

Re: pgsql: Have numeric 0 ^ 4.3 return 1, rather than

neilc@[EMAIL PROTECTED]

2008-05-08 14:00:35

Re: pgsql: Have numeric 0 ^ 4.3 return 1, rather

bruce@[EMAIL PROTECTED]

2008-05-08 18:18:00

Re: pgsql: Have numeric 0 ^ 4.3 return 1, rather than an error,

tgl@[EMAIL PROTECTED] (T